body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Microsoft Yahei", -apple-system,
    BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell",
    "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  div {
    box-sizing: border-box;
  }
  .clearfix {
    overflow: auto;
  }
  p, ul, li { margin:  0; padding: 0; list-style-type: none;}
  
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
    monospace;
}
